[perl5-dbi/dbi] 6e192b: Missing comma in code example in docs

[H.Merijn Brand - Tux]

  Branch: refs/heads/master
  Home:   https://github.com/perl5-dbi/dbi
  Commit: 6e192b6808489f48e2906994b1b3fbbb82e04b64
      
https://github.com/perl5-dbi/dbi/commit/6e192b6808489f48e2906994b1b3fbbb82e04b64
  Author: H.Merijn Brand - Tux <h.m.br...@xs4all.nl>
  Date:   2014-08-06 (Wed, 06 Aug 2014)

  Changed paths:
    M DBI.pm

  Log Message:
  -----------
  Missing comma in code example in docs